80964272809 has 8 divisors (see below), whose sum is σ = 92608168320. Its totient is φ = 69339770016.

The previous prime is 80964272797. The next prime is 80964272839. The reversal of 80964272809 is 90827246908.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 80964272809 - 2¹⁵ = 80964240041 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 80964272809.

It is not an unprimeable number, because it can be changed into a prime (80964272839) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4839229 + ... + 4855930.

It is an arithmetic number, because the mean of its divisors is an integer number (11576021040).

Almost surely, 2^80964272809 is an apocalyptic number.

It is an amenable number.

80964272809 is a deficient number, since it is larger than the sum of its proper divisors (11643895511).

80964272809 is a wasteful number, since it uses less digits than its factorization.

80964272809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9696359.

The product of its (nonzero) digits is 3483648, while the sum is 55.

The spelling of 80964272809 in words is "eighty billion, nine hundred sixty-four million, two hundred seventy-two thousand, eight hundred nine".